Bosutinib Isomer is the 3,5-dichloro-4-methoxy isomer of Bosutinib (B676095). It has been reported that this compound has been offered incorrectly as Bosutinib (B676095) C&E News 90 (21) 2012 34-35 and Levinson NM, Boxer SG (2012) Structural and Spectroscopic Analysis of the Kinase Inhibitor Bosutinib and an Isomer of Bosutinib Binding to the Abl Tyrosine Kinase Domain. PLoS ONE 7(4): e29828. doi:10.1371/journal.pone.0029828.